| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.dubbo.remoting.zookeeper.curator5; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.remoting.zookeeper.ChildListener; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.retry.ExponentialBackoffRetry; |
| import org.apache.zookeeper.WatchedEvent; |
| import org.junit.jupiter.api.AfterAll; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.Timeout; |
| |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.mockito.Mockito.mock; |
| |
| public class Curator5ZookeeperClientTest { |
| private static Curator5ZookeeperClient curatorClient; |
| private static CuratorFramework client = null; |
| |
| private static int zookeeperServerPort1; |
| private static String zookeeperConnectionAddress1; |
| |
| @BeforeAll |
| public static void setUp() throws Exception { |
| zookeeperConnectionAddress1 = System.getProperty("zookeeper.connection.address.1"); |
| zookeeperServerPort1 = Integer.parseInt(zookeeperConnectionAddress1.substring(zookeeperConnectionAddress1.lastIndexOf(":") + 1)); |
| curatorClient = new Curator5ZookeeperClient(URL.valueOf(zookeeperConnectionAddress1 + "/org.apache.dubbo.registry.RegistryService")); |
| client = CuratorFrameworkFactory.newClient("127.0.0.1:"+zookeeperServerPort1, new ExponentialBackoffRetry(1000, 3)); |
| client.start(); |
| } |
| |
| @Test |
| public void testCheckExists() { |
| String path = "/dubbo/org.apache.dubbo.demo.DemoService/providers"; |
| curatorClient.create(path, false); |
| assertThat(curatorClient.checkExists(path), is(true)); |
| assertThat(curatorClient.checkExists(path + "/noneexits"), is(false)); |
| } |
| |
| @Test |
| public void testChildrenPath() { |
| String path = "/dubbo/org.apache.dubbo.demo.DemoService/providers"; |
| curatorClient.create(path, false); |
| curatorClient.create(path + "/provider1", false); |
| curatorClient.create(path + "/provider2", false); |
| |
| List<String> children = curatorClient.getChildren(path); |
| assertThat(children.size(), is(2)); |
| } |
| |
| @Test |
| @Timeout(value = 2) |
| public void testChildrenListener() throws InterruptedException { |
| String path = "/dubbo/org.apache.dubbo.demo.DemoListenerService/providers"; |
| curatorClient.create(path, false); |
| final CountDownLatch countDownLatch = new CountDownLatch(1); |
| curatorClient.addTargetChildListener(path, new Curator5ZookeeperClient.CuratorWatcherImpl() { |
| |
| @Override |
| public void process(WatchedEvent watchedEvent) throws Exception { |
| countDownLatch.countDown(); |
| } |
| }); |
| curatorClient.createPersistent(path + "/provider1"); |
| countDownLatch.await(); |
| } |
| |
| |
| @Test |
| public void testWithInvalidServer() { |
| Assertions.assertThrows(IllegalStateException.class, () -> { |
| curatorClient = new Curator5ZookeeperClient(URL.valueOf("zookeeper://127.0.0.1:1/service?timeout=1000")); |
| curatorClient.create("/testPath", true); |
| }); |
| } |
| |
| @Test |
| public void testRemoveChildrenListener() { |
| ChildListener childListener = mock(ChildListener.class); |
| curatorClient.addChildListener("/children", childListener); |
| curatorClient.removeChildListener("/children", childListener); |
| } |
| |
| @Test |
| public void testCreateExistingPath() { |
| curatorClient.create("/pathOne", false); |
| curatorClient.create("/pathOne", false); |
| } |
| |
| @Test |
| public void testConnectedStatus() { |
| curatorClient.createEphemeral("/testPath"); |
| boolean connected = curatorClient.isConnected(); |
| assertThat(connected, is(true)); |
| } |
| |
| @Test |
| public void testCreateContent4Persistent() { |
| String path = "/curatorTest4CrContent/content.data"; |
| String content = "createContentTest"; |
| curatorClient.delete(path); |
| assertThat(curatorClient.checkExists(path), is(false)); |
| assertNull(curatorClient.getContent(path)); |
| |
| curatorClient.create(path, content, false); |
| assertThat(curatorClient.checkExists(path), is(true)); |
| assertEquals(curatorClient.getContent(path), content); |
| } |
| |
| @Test |
| public void testCreateContent4Temp() { |
| String path = "/curatorTest4CrContent/content.data"; |
| String content = "createContentTest"; |
| curatorClient.delete(path); |
| assertThat(curatorClient.checkExists(path), is(false)); |
| assertNull(curatorClient.getContent(path)); |
| |
| curatorClient.create(path, content, true); |
| assertThat(curatorClient.checkExists(path), is(true)); |
| assertEquals(curatorClient.getContent(path), content); |
| } |
| |
| @Test |
| public void testAddTargetDataListener() throws Exception { |
| String listenerPath = "/dubbo/service.name/configuration"; |
| String path = listenerPath + "/dat/data"; |
| String value = "vav"; |
| |
| curatorClient.create(path + "/d.json", value, true); |
| String valueFromCache = curatorClient.getContent(path + "/d.json"); |
| Assertions.assertEquals(value, valueFromCache); |
| final AtomicInteger atomicInteger = new AtomicInteger(0); |
| curatorClient.addTargetDataListener(path + "/d.json", new Curator5ZookeeperClient.NodeCacheListenerImpl() { |
| @Override |
| public void nodeChanged() throws Exception { |
| atomicInteger.incrementAndGet(); |
| } |
| }); |
| |
| valueFromCache = curatorClient.getContent(path + "/d.json"); |
| Assertions.assertNotNull(valueFromCache); |
| |
| Thread.sleep(100); |
| curatorClient.getClient().setData().forPath(path + "/d.json", "foo".getBytes()); |
| Thread.sleep(100); |
| curatorClient.getClient().setData().forPath(path + "/d.json", "bar".getBytes()); |
| curatorClient.delete(path + "/d.json"); |
| valueFromCache = curatorClient.getContent(path + "/d.json"); |
| Assertions.assertNull(valueFromCache); |
| Thread.sleep(200); |
| Assertions.assertTrue(3L <= atomicInteger.get()); |
| } |
| |
| |
| @AfterAll |
| public static void testWithStoppedServer() { |
| curatorClient.close(); |
| } |
| } |